1. The atomic number of element X is smaller than 20. The first to eighth ionization enthalpies of X, in kJ mol-!, are listed below: 1300, 3400, 5300, 7500, 11000, 13000, 71000, 84000 A. What is the meaning of the first ionization enthalpy of an element? B. Write down the chemical equation for the second ionization of X. C. Explain why the successive ionization enthalpies of X increase. D. To which group of the Periodic Table does X belong? Explain your answer. e. Assume X is a period 2 element, i. Draw the electron-box diagram and write down the electronic configuration of X. ii. Deduce the type of chemical bonding and intermolecular force between the molecule formed between element X and oxygen ii. Draw a three-dimensional Lewis structure of neutral compound formed between element X and fluorine. State its shape and bond angle. iv. Finally, what is element X according to the periodic table? Briefly explain your choice.
1. The atomic number of element X is smaller than 20. The first to eighth ionization enthalpies of X, in kJ mol-!, are listed below: 1300, 3400, 5300, 7500, 11000, 13000, 71000, 84000 A. What is the meaning of the first ionization enthalpy of an element? B. Write down the chemical equation for the second ionization of X. C. Explain why the successive ionization enthalpies of X increase. D. To which group of the Periodic Table does X belong? Explain your answer. e. Assume X is a period 2 element, i. Draw the electron-box diagram and write down the electronic configuration of X. ii. Deduce the type of chemical bonding and intermolecular force between the molecule formed between element X and oxygen ii. Draw a three-dimensional Lewis structure of neutral compound formed between element X and fluorine. State its shape and bond angle. iv. Finally, what is element X according to the periodic table? Briefly explain your choice.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
Problem 66PS
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Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Question
Pls do e i,ii,iii,iv
Transcribed Image Text:1. The atomic number of element X is smaller than 20. The first to eighth ionization
enthalpies of X, in kJ mol-!, are listed below:
1300, 3400, 5300, 7500, 11000, 13000, 71000, 84000
A. What is the meaning of the first ionization enthalpy of an element?
B. Write down the chemical equation for the second ionization of X.
C. Explain why the successive ionization enthalpies of X increase.
D. To which group of the Periodic Table does X belong? Explain your answer.
e. Assume X is a period 2 element,
i.
Draw the electron-box diagram and write down the electronic
configuration of X.
ii.
Deduce the type of chemical bonding and intermolecular force between
the molecule formed between element X and oxygen
ii.
Draw a three-dimensional Lewis structure of neutral compound formed
between element X and fluorine. State its shape and bond angle.
iv.
Finally, what is element X according to the periodic table? Briefly explain
your choice.
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